[maintenance] pytest-simcore package

[sanderegg]

What do these changes do?

• moved webserver integration test fixtures to a common package for use in all micro-services/system testing
• moved helper functions to fixture package
• added a pytest --keep-docker-up option when running tests that does not bring down docker-swarm and registry for faster test development
• creates pytest-simcore as a stand-alone python package with hooks to pytest
• used in webserver
• fix environs.osparc_simcore_root_dir
• fix conflict with packages/pytest-fixtures/rabbit_service.py

Related issue number

Maintenance to support Platform Stability

How to test

cd packages/pytest-simcore
make install-dev
make tests

Checklist

• Did you change any service's API? Then make sure to bundle document and upgrade version (make openapi-specs, git commit ... and then make version-*)
• Unit tests for the changes exist
• Runs in the swarm
• Documentation reflects the changes
• New module? Add your github username to .github/CODEOWNERS

[codecov]

Codecov Report

Merging #1394 into master will decrease coverage by 0.46%.
The diff coverage is 10.71%.

@@            Coverage Diff            @@
##           master   #1394      +/-   ##
=========================================
- Coverage   70.96%   70.5%   -0.47%     
=========================================
  Files         217     222       +5     
  Lines        8766    8811      +45     
  Branches      967     967              
=========================================
- Hits         6221    6212       -9     
- Misses       2266    2323      +57     
+ Partials      279     276       -3

Flag	Coverage Δ
#integrationtests	57.22% <100%> (-0.35%)	⬇️
#unittests	65% <10.71%> (-0.33%)	⬇️

Impacted Files	Coverage Δ
...s/service-library/src/servicelib/rabbitmq_utils.py	0% <0%> (ø)
...ages/service-library/src/servicelib/minio_utils.py	0% <0%> (ø)
...ages/service-library/src/servicelib/redis_utils.py	0% <0%> (ø)
...ce-library/src/servicelib/simcore_service_utils.py	0% <0%> (ø)
...ges/service-library/src/servicelib/celery_utils.py	0% <0%> (ø)
...simcore_service_webserver/computation_subscribe.py	97.1% <100%> (-0.2%)	⬇️
...erver/src/simcore_service_webserver/storage_api.py	35.29% <0%> (-23.53%)	⬇️
...simcore_service_webserver/director/director_api.py	51.66% <0%> (-3.34%)	⬇️
... and 5 more

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[mguidon]

Nice clean-up. Go ahead.